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Finding the Fourth Proportional to 595,616.80, 893,425.20 and 343,674.40

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Solution

The fourth proportional to 595,616.80, 893,425.20 and 343,674.40 is: 515,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,616.80 : 893,425.20 = 343,674.40 : x
  2. Step 2: Convert to fraction form
    595,616.80/893,425.20 = 343,674.40/x
  3. Step 3: Cross multiply
    595,616.80x = 893,425.20 × 343,674.40
  4. Step 4: Simplify right side
    595,616.80x = 307,047,369,554.88
  5. Step 5: Solve for x
    x = 307,047,369,554.88/595,616.80
  6. Step 6: Final answer
    x = 515,511.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.